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emokitten
24.08.2019 •
Mathematics
What is the absolute value of 8?
a.
b.
c.
d.
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Ответ:
Step-by-step explanation:
The collector has 160 movie posters and 120 band posters.
She wants to sell 24 movie posters but still have her poster collection maintain the same ratio of 160:120.
Total ratio = 160 + 120 = 280
If she sells 24 movie posters, it means
24 = 160/280 × x = 160x/280
Where x = total number of movie posters and band posters sold
24 × 280 = 160x
160x = 6720
x = 6720/160 =42
Number of band posters that she should sell = total number of both posters - number of movie posters.
Number of band posters that she should sell = 42-24 =18